EntityQ625122· pop 12· linked from 38 articlespuzzle boxSign in to savebox that can be opened only by solving a puzzleConnectionsThe Hellbound HeartEntityJapanCountrySri LankaCountryInternational Standard Book NumberEntityMadeiraConceptInterlakenEntitypuzzleEntityAmalfi CoastEntityClive BarkerEntityHellraiserEntityOpen LibraryEntityHakoneEntitymechanical puzzleEntityCategoriesMechanical puzzles